(*
 * Copyright (c) 2020 KC Sivaramakrishnan <kc@kcsrk.info>
 * Copyright (c) 2020 Anirudh Sunder Raj <anirudh6626@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

module type S = sig
  include Irmin.Type.S

  val now : unit -> t
end

module Machine : S = struct
  type t = Mtime.t

  let t =
    let open Mtime in
    Irmin.Type.map ~equal ~compare Irmin.Type.int64 Mtime.of_uint64_ns
      Mtime.to_uint64_ns

  let now = Mtime_clock.now
end
